1100222012231 has 4 divisors (see below), whose sum is σ = 1100268199872. Its totient is φ = 1100175824592.

The previous prime is 1100222012179. The next prime is 1100222012251. The reversal of 1100222012231 is 1322102220011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100222012231 is a prime.

It is a super-2 number, since 2×1100222012231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100222012251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23058071 + ... + 23105736.

It is an arithmetic number, because the mean of its divisors is an integer number (275067049968).

Almost surely, 2^{1100222012231} is an apocalyptic number.

1100222012231 is a deficient number, since it is larger than the sum of its proper divisors (46187641).

1100222012231 is an equidigital number, since it uses as much as digits as its factorization.

1100222012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46187640.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1100222012231 its reverse (1322102220011), we get a palindrome (2422324232242).

The spelling of 1100222012231 in words is "one trillion, one hundred billion, two hundred twenty-two million, twelve thousand, two hundred thirty-one".